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Those crankshaft are x-rayed and ultrasonically tested
This Speedmaster 300M steel crank gear
Stop searching junkyards and swap meets for a replacement for your cracked or broken timing cover
The use of 6 pinion gears means the stress on gears is spread over a greater surface area
Speedmaster cylinder head fasteners are made from aircraft quality 8740 high tensile strength chromoly steel and cold-forged to ensure molecular integrity
GM 10.5" 14 Bolt 4.10-Down 30 Spline TorqueWorm LSD Limited Slip Differential Those crankshaft are x-rayed andThe TorqueWorm is a torque biasing 6 pinion gear type limited slip unit. This is a preloaded unit allowing for a faster reacting unit. The use of 6 pinion gears means the stress on gears is spread over a greater surface area, reducing the load on all internal components. The internal components are made from EN36 Material as used in racing. The outer cases made from 8620 Chrome Nickel Moly steel and the case hardened for long life and improved
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